Earphone



FIG. 1 is a perspective view of the earphone in accordance with the present design;

FIG. 2 is a front view of the earphone shown in FIG. 1;

FIG. 3 is a back view of the earphone shown in FIG. 1;

FIG. 4 is a left view of the earphone shown in FIG. 1;

FIG. 5 is a right view of the earphone shown in FIG. 1;

FIG. 6 is a top view of the earphone shown in FIG. 1; and,

FIG. 7 is a bottom view of the earphone shown in FIG. 1.

The broken lines form no part of the claimed design. 

The ornamental design for an earphone, substantially as shown and described. 